Home / 106,154.55-146,492.75-58,407.68

Finding the Fourth Proportional to 106,154.55, 146,492.75 and 58,407.68

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Solution

The fourth proportional to 106,154.55, 146,492.75 and 58,407.68 is: 80,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,154.55 : 146,492.75 = 58,407.68 : x
  2. Step 2: Convert to fraction form
    106,154.55/146,492.75 = 58,407.68/x
  3. Step 3: Cross multiply
    106,154.55x = 146,492.75 × 58,407.68
  4. Step 4: Simplify right side
    106,154.55x = 8,556,302,176.57
  5. Step 5: Solve for x
    x = 8,556,302,176.57/106,154.55
  6. Step 6: Final answer
    x = 80,602.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.